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Engine & Performance

Choose from Engine & Performance products for Harley-Davidson, American V-twin and compatible motorcycle applications. Across the range you will find products for engine components. Compatibility varies, so match the stated model, year and technical details before ordering.

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£28.92 - £28.92
£28.92
£28.92 - £28.92
£28.92

Cometic Personal Watercraft Gasket Kit for 1992-1997 KAWASAKI Hi-Performance Top End - C6043

in stock

DescriptionPersonal Watercraft Gasket KitGasket kits are complete with head, base, reed, intake, manifold and exhaust gasketsGraphite head gaskets ...

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£28.92 - £28.92
£28.92
£28.92 - £28.92
£28.92
£16.71 - £16.71
£16.71
£16.71 - £16.71
£16.71

Cometic Dip Stick O-Rings for 2015-2025 Harley-Davidson 10 Pack #C10367

in stock

DescriptionDip Stick O-RingsHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, ...

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£16.71 - £16.71
£16.71
£16.71 - £16.71
£16.71
£8.38 - £8.38
£8.38
£8.38 - £8.38
£8.38

Cometic Drain Plug O-Ring for 2015-2025 Harley-Davidson Oil 10 Pack #C10366

in stock

DescriptionDrain Plug O-RingMade in the USAFitment 2021-2024 Harley-Davidson RA 1250 ABS Pan America 2021-2025 Harley-Davidson RA 1250 S ABS Pan Am...

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£8.38 - £8.38
£8.38
£8.38 - £8.38
£8.38
£28.94 - £28.94
£28.94
£28.94 - £28.94
£28.94

Cometic C10356 for 2000-2013 Harley-Davidson FXD Seal Fuel Cap 4 Pack

in stock

Fitment 2004-2005 Harley-Davidson FXD 1450 Dyna Super Glide 2007-2010 Harley-Davidson FXD 1584 Dyna Super Glide 2007-2013 Harley-Davidson FXDB 1584...

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£28.94 - £28.94
£28.94
£28.94 - £28.94
£28.94
£16.05 - £16.05
£16.05
£16.05 - £16.05
£16.05

Cometic Induction Module O-Ring for 1999-2006 Harley-Davidson Viton Kit #C10073

Only 2 left!

DescriptionInduction Module O-RingManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the USAFit...

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£16.05 - £16.05
£16.05
£16.05 - £16.05
£16.05
Cometic Oil Seal Kit for 2006-2009, 2011-2015 YAMAHA
£22.84 - £22.84
£22.84
£22.84 - £22.84
£22.84

Cometic Oil Seal Kit for 2006-2009, 2011-2015 YAMAHA #C7908OS

in stock

DescriptionOil Seal KitHigh-quality seals allow for proper sealing of common leaksFitment 2007-2009, 2011-2015 YAMAHA WR 450 F 2006-2009 YAMAHA YZ ...

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£22.84 - £22.84
£22.84
£22.84 - £22.84
£22.84
£30.26 - £30.26
£30.26
£30.26 - £30.26
£30.26

Cometic Oil Seal Kit for 2006-2009, 2012-2014 HONDA TRX 450 #C3139OS

in stock

DescriptionOil Seal KitHigh-quality seals allow for proper sealing of common leaksFitment 2012-2014 HONDA TRX 450 ER E-Start 2006-2009 HONDA TRX 45...

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£30.26 - £30.26
£30.26
£30.26 - £30.26
£30.26
£24.43 - £24.43
£24.43
£24.43 - £24.43
£24.43

Cometic Top End Gasket/O-Ring Cylinder Head Gasket Kit for 2018-2023 YAMAHA YZ 65 #C3694

in stock

DescriptionTop End Gasket/O-Ring Cylinder Head Gasket KitAll top-end gasket kit includes everything needed to rebuild your top endFitment2018-2023 ...

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£24.43 - £24.43
£24.43
£24.43 - £24.43
£24.43
£6.93 - £6.93
£6.93
£6.93 - £6.93
£6.93

Cometic Shaft Seal for 2006-2020 YAMAHA YZF-R6 600 #OS425

in stock

DescriptionShaft SealHigh-quality seals allow for proper sealing of common leaksMade of quality materials developed for maximum performance toleran...

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£6.93 - £6.93
£6.93
£6.93 - £6.93
£6.93
£3.08 - £3.08
£3.08
£3.08 - £3.08
£3.08

Cometic Shaft Seal for 1977-2006 SUZUKI #OS420

in stock

DescriptionShaft SealHigh-quality seals allow for proper sealing of common leaksMade of quality materials developed for maximum performance toleran...

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£3.08 - £3.08
£3.08
£3.08 - £3.08
£3.08
£8.96 - £8.96
£8.96
£8.96 - £8.96
£8.96

Cometic Shaft Seal for 1993-2008 SUZUKI #OS415

Only 1 left!

DescriptionShaft SealHigh-quality seals allow for proper sealing of common leaksMade of quality materials developed for maximum performance toleran...

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£8.96 - £8.96
£8.96
£8.96 - £8.96
£8.96
Sold out
£3.02 - £3.02
£3.02
£3.02 - £3.02
£3.02

Cometic Shaft Seal #OS331

Out of stock

DescriptionShaft SealHigh-quality seals allow for proper sealing of common leaksMade of quality materials developed for maximum performance toleran...

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£3.02 - £3.02
£3.02
£3.02 - £3.02
£3.02
Sold out
Sold out
£4.47 - £4.47
£4.47
£4.47 - £4.47
£4.47

Cometic Shaft Seal for 1993-2026 SUZUKI #OS305

Out of stock

DescriptionShaft SealHigh-quality seals allow for proper sealing of common leaksMade of quality materials developed for maximum performance toleran...

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£4.47 - £4.47
£4.47
£4.47 - £4.47
£4.47
Sold out
£1.89 - £1.89
£1.89
£1.89 - £1.89
£1.89

Cometic Shaft Seal #OS197

in stock

DescriptionShaft SealHigh-quality seals allow for proper sealing of common leaksMade of quality materials developed for maximum performance toleran...

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£1.89 - £1.89
£1.89
£1.89 - £1.89
£1.89
£3.62 - £3.62
£3.62
£3.62 - £3.62
£3.62

Cometic Shaft Seal for 1991-2021 HONDA #OS236

in stock

DescriptionShaft SealHigh-quality seals allow for proper sealing of common leaksMade of quality materials developed for maximum performance toleran...

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£3.62 - £3.62
£3.62
£3.62 - £3.62
£3.62
£2.06 - £2.06
£2.06
£2.06 - £2.06
£2.06

Cometic Shaft Seal #OS227

in stock

DescriptionShaft SealHigh-quality seals allow for proper sealing of common leaksMade of quality materials developed for maximum performance toleran...

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£2.06 - £2.06
£2.06
£2.06 - £2.06
£2.06
Cometic Replacement Head Gasket for 2023-2025 Harley-Davidson Cylinder Head MLS (Multi-layer Steel) Pair
£47.42 - £47.42
£47.42
£47.42 - £47.42
£47.42

Cometic Replacement Head Gasket for 2023-2025 Harley-Davidson Cylinder Head MLS (Multi-layer Steel) Pair #C10378-030

in stock

DescriptionReplacement Head GasketHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not c...

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£47.42 - £47.42
£47.42
£47.42 - £47.42
£47.42
£47.42 - £47.42
£47.42
£47.42 - £47.42
£47.42

Cometic Replacement Head Gasket for 2023-2025 Harley-Davidson Cylinder Head MLS (Multi-layer Steel) Pair #C10378

in stock

DescriptionReplacement Head GasketHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not c...

View full details
£47.42 - £47.42
£47.42
£47.42 - £47.42
£47.42
£47.42 - £47.42
£47.42
£47.42 - £47.42
£47.42

Cometic Replacement Head Gasket for 2023-2025 Harley-Davidson Cylinder Head MLS (Multi-layer Steel) Pair #C10377-030

in stock

DescriptionReplacement Head GasketHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not c...

View full details
£47.42 - £47.42
£47.42
£47.42 - £47.42
£47.42
£47.42 - £47.42
£47.42
£47.42 - £47.42
£47.42

Cometic Replacement Head Gasket for 2023-2025 Harley-Davidson Cylinder Head MLS (Multi-layer Steel) Pair #C10377

in stock

DescriptionReplacement Head GasketHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not c...

View full details
£47.42 - £47.42
£47.42
£47.42 - £47.42
£47.42
£68.50 - £68.50
£68.50
£68.50 - £68.50
£68.50

Cometic Replacement Head Gasket for 2017-2024 Harley-Davidson Cylinder Head MLX (Multi-Layer-Xtreme) Pair #C10348-052

in stock

DescriptionReplacement Head GasketHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not c...

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£68.50 - £68.50
£68.50
£68.50 - £68.50
£68.50
Sold out
£64.69 - £64.69
£64.69
£64.69 - £64.69
£64.69

Cometic Gasket Engine Case Rebuild Kit for 1999-2020 SUZUKI GSX 1300 R Gasket Kit Fibre #C8587AFM

Out of stock

DescriptionGasket Engine Case Rebuild KitHigh-quality products for long term reliabilityManufactured from premium fuel-resistant materials that wil...

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£64.69 - £64.69
£64.69
£64.69 - £64.69
£64.69
Sold out
£40.00 - £40.00
£40.00
£40.00 - £40.00
£40.00

Cometic Crankcase Gasket for 2021-2024 Harley-Davidson High Density Fibre #C10363

Only 5 left!

DescriptionCrankcase GasketHigh-quality products for long term reliabilityManufactured from premium fuel-resistant materials that will not creep, c...

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£40.00 - £40.00
£40.00
£40.00 - £40.00
£40.00
£72.83 - £72.83
£72.83
£72.83 - £72.83
£72.83

Cometic Head Gasket for 2021-2024 Harley-Davidson Cylinder Head MLS (Multi-layer Steel) Pair #C10362

in stock

DescriptionHead GasketHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack ...

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£72.83 - £72.83
£72.83
£72.83 - £72.83
£72.83

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